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Journal of Oral Implantology

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https://www.readbyqxmd.com/read/28628390/influence-of-screw-surface-treatment-on-retention-of-implant-supported-fixed-partial-dentures
#1
Marcos Boaventura de Moura, Renata Borges Rodrigues, Leandro Moreira Pinto, Cleudmar Amaral de Araújo, Veridiana Resende Novais, Paulo César Simamoto Júnior
The aim of this study was to assess the effect of DLC (Diamond-like carbon) coating on the removal torque of prefabricated implant screws after cyclic loading. Four groups with two crowns supported by two implants (n=5) were obtained according to splinted and non-splinted prosthesis, using titanium or DLC screw (STi, SC, NSTi and NSC). The prosthetic screws were tightened at 32Ncm, retightened, and the specimens were submitted to 106 mechanical cycles (4Hz/98N). After cyclic loading, loosening torque was evaluated and the final measurements were performed...
June 19, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28628357/continuous-periosteal-strapping-sutures-cpss-for-fixation-of-osseous-grafts-with-resorbable-membranes-for-buccal-ridge-augmentation
#2
Tamir Shalev, Gregori M Kurtzman, Alon H Shalev, Deborah K Johnson, Mark Elias Kersten
GBR is a technique sensitive procedure that routinely involves placement of particulate bone with or without fixation screws and either a resorbable or a non-resorbable membrane. Grafting of the buccal-crestal aspect of the implant site can be particularly challenging as external pressure from the flap or occlusal forces may displace the graft laterally and apically resulting in deficient bone in the desired region. A novel technique for stabilizing a resorbable membrane and underlying particulate graft allowing for predictable bone grafting across multiple edentulous sites...
June 19, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28628356/clips-versus-resilient-liners-used-with-bilateral-posterior-prefabricated-bars-for-retaining-four-implant-supported-mandibular-overdentures
#3
Mona Gibreel, Mohammed Fouad, Fatma El-Waseef, Nesma El-Amier, Hamdy Marzook
The objective of this research was to clinically compare peri-implant tissue health of bar-clips versus silicone-resilient liners used with bilateral posterior bars for retaining four implant supported mandibular overdentures. Thirty completely edentulous male patients (mean age 65) were randomly assigned into two equal groups. Each patient received four implants in canine and first molar regions of the mandible using flapless surgical technique. Mandibular overdentures were immediately connected to the implants with bilateral prefabricated instant adjusting bars...
June 19, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28628355/adjacent-dental-implants-classification-based-on-restorative-design
#4
Periklis Proussaefs, Abdulaziz AlHelal, Abdulrahman Taleb, Mathew Kattadiyil
There is controversy in the literature regarding the indicated retentive mechanism for implant supported crowns. When adjacent implants are restored, the restoration can be either screw retained, cement retained, or a combination of cement and screw retained. Adjacent implant supported crowns can be restored as individual implant supported crowns or they can be splinted. A classification system is proposed when adjacent implants are restored. The classification system describes currently available options to restore adjacent implants...
June 19, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28628354/soft-tissue-enhancement-and-implant-placement-following-partial-mandibulectomy-due-to-squamous-cell-carcinoma
#5
Fabio Bernardello, Giampietro Bertasi, Ralph Mackey Powers, Sergio Spinato, Andrea Viaggi, Jimmie Bullock, Pietro Felice
Many dental procedures allow for implant placement in partially or totally edentulous patients. Despite the availability of various implant and abutment types on the market, it often becomes quite challenging to achieve the biological and esthetic goals in a patient who has ridge deficiencies. Where problems will arise is from the lack of adequate bone quality and quantity.1,2 Soft tissue form and maintenance is also a consideration to evaluate.3 Primary reconstructive techniques following segmental mandibulectomy is evolving and improves quality of life...
June 19, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28628350/custom-cast-ball-attachments-used-on-outdated-implants-to-restore-a-maxillary-implant-supported-overdenture
#6
Andressa Rosa Perin Leite, Danny Omar Mendoza Marin, Gabriela Giro, Ana Carolina Pero, Ligia Antunes Pereira Pinelli, JoséMauriciodos Santos Reis
The lack of compatible prosthetic components can be a complication during oral rehabilitations using outdated implants. The aim of the present clinical report was to describe an alternative technique for the fabrication of a maxillary implant-supported overdenture in a patient with 20-year-old dental implants using castable spherical patterns and ball-attachments. The patient had been wearing a relined bar/clip overdenture in the mandible on four external-hexagon dental implants and a relined complete denture in the maxilla on four internal-hexagon implants due to abutment screw fracture inside of the implants, losing the attachment system...
June 19, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28604262/current-evidence-on-the-socket-shield-technique-a-systematic-review
#7
Amit Srikant Gharpure, Neel B Bhatavadekar
The recently popularised socket-shield technique involves intentional retention of a section of the remnant root at the time of immediate implant placement to preserve the buccal/proximal bone from resorption. The objective of this systematic review was to assess the literature available on the socket-shield technique and weigh its biological plausibility and long-term clinical prognosis. A Systematic Search was performed in PubMed-Medline, Embase, Web of Knowledge, Google Scholar and Cochrane Central for clinical/ animal studies up to April 2017...
June 12, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28604223/soft-tissue-enhancement-combined-with-biologically-oriented-preparation-technique-bopt-to-correct-volumetric-bone-defects-a-clinical-case-report
#8
Davide Rancitelli, Pierpaolo Poli, Marco Cicciù, Francesco Lini, Rachele Roncucci, Gabriele Cervino, Carlo Maiorana
The aim of the present case report was to illustrate how to obtain an ideal alveolar ridge contour by means of peri-implant soft tissues management combined with the prosthetic approach of the biologically oriented preparation technique (BOPT). A patient presenting a moderate vertical and horizontal bone loss in the posterior maxilla was treated with sinus floor elevation and contextual implant placement. During the re-entry procedure, the horizontal defect was corrected with an apically repositioned flap combined with a connective tissue graft...
June 12, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28594592/alveolar-ridge-preservation-using-allografts-and-dptfe-membranes-with-open-membrane-technique-in-unhealthy-extraction-sockets
#9
Gi-Beom Cheon, Kyung Lhi Kang, Mi-Kyung Yoo, Jeoung-A Yu, Dongwoon Lee
We evaluated the effectiveness of the open membrane technique using a high-density polytetrafluoroethylene (dPTFE) membrane with freeze-dried bone allografts (FDBA) in damaged sockets for alveolar ridge preservation (ARP). This retrospective study included 26 sites from 20 patients who had received ARP for the placement of dental implants. ARP was conducted using dPTFE membrane with allografts on the day of extraction without primary closure. When the membrane was removed after 4 weeks, the newly-formed reddish tissue at the grafted site was checked (1st outcome, clinical evaluation)...
June 8, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28594591/30-years-of-translational-research-in-zirconia-dental-implants-a-systematic-review-of-the-literature
#10
Allauddin Siddiqi, Abdul Samad Khan, Sobia Zafar
Thirty years of transitional research in zirconia (Zr) ceramics has led significant improvements in the biomedical field especially in dental Implantology. Oral implants made of Yttria-tetragonal zirconia polycrystals (Y-TZP) because of their excellent mechanical properties, good biocompatibility and aesthetically acceptable colour have emerged as an attractive metal-free alternative to titanium implants. The aim of the review was to highlight the translation research in Zr dental implants that has been conducted over the last three decades using pre-clinical animal models...
June 8, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28488942/goat-model-for-direct-visualizing-the-effectiveness-of-detaching-sinus-mucosa-in-real-time-during-crestal-maxillary-sinus-floor-elevation
#11
Jiadong Fan, Pin Hu, Yanfeng Li, Fuli Wang, Xinming Dong, Bin Liu, Le Liu, Yue Zhang, Xiangmin Gu
The procedure of crestal maxillary sinus floor elevation presents a great challenge to the field of implant dentistry. Due to the limited visualization in this procedure, the effectiveness of detaching sinus mucosa could not be assessed in real time. We recently developed an ex vivo goat sinus model by cutting the goat residual skulls along four lines determined from computerized tomography (CT) scans, extracting the maxillary pre-molar or molar teeth, and preparing implant socket in the maxilla. The generated ex vivo goat sinus models exposed the maxilla and the whole maxillary sinus mucosa, thus enabling real time observation of detaching maxillary sinus mucosa via directly visualizing the working situation of sinus lift tool in the models, and directly measuring the length of detached mucosa and the space volume generated under the elevated sinus mucosa...
May 10, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28421873/facial-alveolar-bone-width-at-the-first-and-second-maxillary-premolars-in-healthy-patients-a-cone-beam-computed-tomography-study
#12
Julio Rojo, José Viña, David Peñarrocha, Miguel Peñarrocha
The purpose was to analyze the thickness of the facial alveolar bone at the first and second maxillary premolars and determinate the percentage of premolars that reached 2 mm in width. A retrospective study analyzing cone beam computed tomography scans from the database of the Oral Surgery Unit of the University of Valencia was performed. Patients with periodontal disease, orthodontic treatment, absence among the first maxillary molars, premolars with endodontic treatment and/or prosthetic restorations were excluded...
April 19, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28421862/lateral-wall-regeneration-and-membrane-repair-after-attempted-sinus-augmentation-using-a-non-resorbable-membrane
#13
Gregory-George Zafiropoulos, Oliver Hoffmann, Gordon John
xx.
April 19, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28394247/erratum
#14
(no author information available yet)
In the 42(5), October 2016, issue of Journal of Oral Implantology, the article titled, "Accuracy of Dynamic Navigation for Dental Implant Placement-Model-Based Evaluation," by Robert W. Emery, Scott A. Merritt, Kathryn Lank, and Jason D. Gibbs was published with an incomplete Acknowledgment. The correct Acknowledgment statement is as follows: "This work was conducted using a grant provided by X-Nav Technologies, LLC. Robert W. Emery is the Chief Medical Officer of X-Nav Technologies, LLC, and has an equity interest in X-Nav Technologies, LLC...
April 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28394246/the-who-what-why-and-when-of-the-american-board-of-dental-specialties-abds
#15
Frank Recker
No abstract text is available yet for this article.
April 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/27870921/microthreaded-implants-and-crestal-bone-loss-a-systematic-review
#16
Ahmad M Al-Thobity, Ahmad Kutkut, Khalid Almas
This systematic literature review investigated the effect of microthreaded-neck dental implants on crestal bone loss. Using the participants, interventions, comparison groups, outcomes, and study design (PICO) system, we addressed the following focused question: Do microthreaded-neck dental implants positively affect the crestal bone level around dental implants? We searched 3 electronic databases to find articles published between January 1995 and June 2016 that contained any combination of the following keywords: dental implant, microthread, microthreaded, crestal bone level, crestal bone loss, and alveolar bone level...
April 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28326892/clinical-and-histomorphometric-assessment-of-lateral-alveolar-ridge-augmentation-using-a-corticocancellous-freeze-dried-allograft-bone-block
#17
Roya Shariatmadar Ahmadi, Ferena Sayar, Vahid Rakhshan, Babak Iranpour, Jahanfar Jahanbani, Ahmad Toumaj, Nasrin Akhoondi
Horizontal ridge augmentation with allografts has attracted notable attention because of its proper success rate and the lack of disadvantages of autografts. Corticocancellous block allografts have not been adequately studied on humans. Therefore, this study evaluated clinically and histomorphometrically the increase in ridge with after horizontal ridge augmentation using corticocancellous block allografts, and the implant success after 12 to 18 months post-implantation. In 10 implant patients (3 women, 7 men, 45 years old on average), defective maxillary alveolar ridges were horizontally augmented using freeze-dried bone allograft blocks...
March 22, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28318375/fracture-strength-of-standard-and-small-diameter-prosthetic-abutments-for-full-arch-implant-supported-restorations
#18
Bruno Costa Martins de Sá, Augusto Ricardo Andrighetto, Sérgio Rocha Bernardes, Rodrigo Tiossi
The fracture strength of prosthetic abutments with different sizes and combinations to support a 5 implant milled framework with distal extension was tested. Prosthetic abutments with different dimensions (4.8 mm diameter mini-conical abutment and 3.5 mm diameter micro-conical abutment) were screwed to 5 threaded implants. The following groups were divided (n=3): G1 with 5 mini-conical abutments (standard size), G2 with 5 micro-conical abutments (small sized), G3 with a combination of 3 small sized abutments and 2 standard sized abutments, and G4 with a combination of 2 small sized abutments and 3 standard sized abutments...
March 20, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28301307/silicon-nitride-si3n4-implants-the-future-of-dental-implantology
#19
Zahi Badran, Xavier Struillou, Francis J Hughes, Assem Soueidan, Alain Hoornaert, Mark Ide
For decades titanium has been the preferred material for dental implant fabrication, with mechanical and biological performance resulting in high clinical success rates. Tshese have been further enhanced by incremental development of surface modifications aimed at improving speed and degree of osseointegration and resulting in enhanced clinical treatment options and outcomes. However, increasing demand for metal-free dental restorations has also led to the development of ceramic-based dental implants such as zirconia...
March 16, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28301295/an-in-vitro-tensile-strength-study-on-suturing-technique-and-material
#20
Albert González-Barnadas, Octavi Camps-Font, Dunia Espanya-Grifol, Antoni España-Tost, Rui Figueiredo, Eduard Valmaseda-Castellón
Suture technique and materials are important in preventing complications like wound dehiscences. The purpose of this study was to determine the tensile strength of different suturing techniques, comparing several materials with different diameters. One hundred and sixty sutures were performed using silk, e-PTFE and two types of polyamide (monofilament and Supramid®). Ten simple, 10 horizontal mattress and 10 combinations of the two stitches were performed with the 4-0 gauge of each material. Additionally, 10 simple sutures were performed with the 5-0 gauge of each material...
March 16, 2017: Journal of Oral Implantology
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